Why did he have to plan to bomb it at a certain time?
sharehe want to infect the whole world. it seems dan brown had info from the illuminati about their plan of the zika virus in brazil in time for the olimpics.
shareHe did so in the book.
The the mentioned date was the time of expected global infection.
Apparently his love for puzzle and riddle solving was far more important than his goal to cull half the world's population.. Just imagine how far Sienna would have gone without the help of Langdon (and only him, of course, since we all know he is the sole Dante expert + symbols/puzzles expert in the entire world).
Fanboy : a person who does not think while watching.share
Except for the fact that Ignazio (sp?) Was the Dante expert that Langdon went to
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